Bangalore district is situated in the heart of the
South-Deccan plateau in peninsular India to the South-Eastern
corner of Karnataka State between the latitudinal parallels of 12o
39' N & 13o 18' N and longitudinal meridians of 77o 22' E
& 77o 52'E at an average elevation of about 900 meters covering an area of about
2,191 sq.kms (Bangalore rural and urban districts).

Bangalore, capital city of Karnataka is the sixth largest metropolis in
the contry and a nerve center for the various cultural, social and religious activities,
contributing to the growth of the city. Bangalore urban with
a population of about five million consists of three taluks namely Anekal,
Bangalore North and South. The city apart from being the political capital of
the state is also a very important commercial center some of the major industrial
establishments.

The district supports about 9.41% of the state's total population and 27.41% of
the total urban population of the state. The urban agglomeration is spread
between North and South taluks of Bangalore covering an area of about 151 sq. km.
with average population density of 16,399 individuals/sq.km (census,1991).

TOPOGRAPHY

The Bangalore North taluk is more or less a level plateau and lies between
839 to 962 meters above mean sea level. In the middle of the taluk there is a
prominent ridge running NNE-SSW. The highest point (Doddabettahalli 962m) is
on this ridge. The gentle slopes and valleys on either side of this ridge hold
better prospects of ground water utilization. The low-lying area is marked by
a series of tanks varying in size from a small pond to those of considerable
extent, but all very shallow.

Bangalore South Taluk represents an uneven landscape with intermingling of
hills and valleys with bare rocky outcrops of granites & gneisses raising 30-70
meters above ground level are common in the southern portion. The highest point
is 908m above mean sea level and the lowest at 720 meters above the mean sea
level. Southern and Western portions present a rugged topography composed of
Granitic and Gneissic masses. The eastern portions of the Taluk form an almost
featureless plain with minor undulations.

Temperature

Bangalore records high temperatures during April with daily mean
temperatures of 33.4 ( Co and mean daily minimum in the month of December) at
25.7 ( Co, as the coolest month>.

Relative Humidity

The mean monthly relative humidity is the lowest during the month of March
at 44% and records highest between the months of June and October at 80 to
85%.

Rainfall

The mean annual rainfall is 859.6 mm, with three different rainy periods
covering eight months of the year. June to September being rainy season
receives 54% of the total annual rainfall in the S-W monsoon period and
241-mm during the N-E monsoons (Oct. - Nov.)

Wind

The surface winds in Bangalore have seasonal character with the Easterly
components predominating during one period followed by the Westerly in the
other. The high wind speed averages 17 kmph during the westerly winds in the
month of July and a minimum of 8-9 kmph during the months of April and October.